From: Rich Felker <dalias@aerifal.cx>
Date: Wed, 4 Jul 2012 16:21:22 +0000 (-0400)
Subject: putw is supposed to return 0 (not the value written) on success
X-Git-Tag: v0.9.3~55
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=920baab81f98a3cae3436361cdd044afe21fe347;p=musl

putw is supposed to return 0 (not the value written) on success

this is not a standard but it's the traditional behavior and it's more
useful because the caller can reliably detect errors.
---

diff --git a/src/stdio/putw.c b/src/stdio/putw.c
index a6d24292..0ff9d7fb 100644
--- a/src/stdio/putw.c
+++ b/src/stdio/putw.c
@@ -3,5 +3,5 @@
 
 int putw(int x, FILE *f)
 {
-	return fwrite(&x, sizeof x, 1, f) ? x : EOF;
+	return (int)fwrite(&x, sizeof x, 1, f)-1;
 }